1 /* Written by Corinne Dive-Reclus(cdive@baltimore.com)
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in
13 * the documentation and/or other materials provided with the
16 * 3. All advertising materials mentioning features or use of this
17 * software must display the following acknowledgment:
18 * "This product includes software developed by the OpenSSL Project
19 * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
21 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
22 * endorse or promote products derived from this software without
23 * prior written permission. For written permission, please contact
24 * licensing@OpenSSL.org.
26 * 5. Products derived from this software may not be called "OpenSSL"
27 * nor may "OpenSSL" appear in their names without prior written
28 * permission of the OpenSSL Project.
30 * 6. Redistributions of any form whatsoever must retain the following
32 * "This product includes software developed by the OpenSSL Project
33 * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
35 * Written by Corinne Dive-Reclus(cdive@baltimore.com)
37 * Copyright@2001 Baltimore Technologies Ltd.
40 * THIS FILE IS PROVIDED BY BALTIMORE TECHNOLOGIES ``AS IS'' AND *
41 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE *
42 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE *
43 * ARE DISCLAIMED. IN NO EVENT SHALL BALTIMORE TECHNOLOGIES BE LIABLE *
44 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL *
45 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS *
46 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) *
47 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT *
48 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY *
49 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF *
51 ====================================================================*/
55 #include <openssl/crypto.h>
56 #include <openssl/pem.h>
57 #include <openssl/dso.h>
58 #include <openssl/engine.h>
61 #ifndef OPENSSL_NO_HW_SUREWARE
66 #include "vendor_defns/sureware.h"
69 #define SUREWARE_LIB_NAME "sureware engine"
70 #include "e_sureware_err.c"
72 static int surewarehk_ctrl(ENGINE *e, int cmd, long i, void *p, void (*f)());
73 static int surewarehk_destroy(ENGINE *e);
74 static int surewarehk_init(ENGINE *e);
75 static int surewarehk_finish(ENGINE *e);
76 static int surewarehk_modexp(BIGNUM *r, const BIGNUM *a, const BIGNUM *p,
77 const BIGNUM *m, BN_CTX *ctx);
80 static int surewarehk_rsa_priv_dec(int flen,const unsigned char *from,unsigned char *to,
81 RSA *rsa,int padding);
82 static int surewarehk_rsa_sign(int flen,const unsigned char *from,unsigned char *to,
83 RSA *rsa,int padding);
86 static int surewarehk_rand_bytes(unsigned char *buf, int num);
87 static void surewarehk_rand_seed(const void *buf, int num);
88 static void surewarehk_rand_add(const void *buf, int num, double entropy);
91 static EVP_PKEY *surewarehk_load_privkey(ENGINE *e, const char *key_id,
92 UI_METHOD *ui_method, void *callback_data);
93 static EVP_PKEY *surewarehk_load_pubkey(ENGINE *e, const char *key_id,
94 UI_METHOD *ui_method, void *callback_data);
95 static void surewarehk_ex_free(void *obj, void *item, CRYPTO_EX_DATA *ad,
96 int idx,long argl, void *argp);
98 static void surewarehk_dh_ex_free(void *obj, void *item, CRYPTO_EX_DATA *ad,
99 int idx,long argl, void *argp);
102 #ifndef OPENSSL_NO_RSA
103 /* This function is aliased to mod_exp (with the mont stuff dropped). */
104 static int surewarehk_mod_exp_mont(BIGNUM *r, const BIGNUM *a, const BIGNUM *p,
105 const BIGNUM *m, BN_CTX *ctx, BN_MONT_CTX *m_ctx)
107 return surewarehk_modexp(r, a, p, m, ctx);
110 /* Our internal RSA_METHOD that we provide pointers to */
111 static RSA_METHOD surewarehk_rsa =
113 "SureWare RSA method",
116 surewarehk_rsa_sign, /* our rsa_sign is OpenSSL priv_enc*/
117 surewarehk_rsa_priv_dec, /* priv_dec*/
119 surewarehk_mod_exp_mont, /*mod_exp_mongomery*/
124 NULL, /* OpenSSL sign*/
125 NULL, /* OpenSSL verify*/
130 #ifndef OPENSSL_NO_DH
131 /* Our internal DH_METHOD that we provide pointers to */
132 /* This function is aliased to mod_exp (with the dh and mont dropped). */
133 static int surewarehk_modexp_dh(const DH *dh, BIGNUM *r, const BIGNUM *a,
134 const BIGNUM *p, const BIGNUM *m, BN_CTX *ctx, BN_MONT_CTX *m_ctx)
136 return surewarehk_modexp(r, a, p, m, ctx);
139 static DH_METHOD surewarehk_dh =
141 "SureWare DH method",
144 surewarehk_modexp_dh, /*dh mod exp*/
152 static RAND_METHOD surewarehk_rand =
154 /* "SureWare RAND method", */
155 surewarehk_rand_seed,
156 surewarehk_rand_bytes,
159 surewarehk_rand_bytes,
163 #ifndef OPENSSL_NO_DSA
165 static DSA_SIG * surewarehk_dsa_do_sign(const unsigned char *dgst, int dlen, DSA *dsa);
166 static int surewarehk_dsa_mod_exp(DSA *dsa, BIGNUM *rr, BIGNUM *a1,
167 BIGNUM *p1, BIGNUM *a2, BIGNUM *p2, BIGNUM *m,
168 BN_CTX *ctx, BN_MONT_CTX *in_mont)
173 /* let rr = a1 ^ p1 mod m */
174 if (!surewarehk_modexp(rr,a1,p1,m,ctx)) goto end;
175 /* let t = a2 ^ p2 mod m */
176 if (!surewarehk_modexp(&t,a2,p2,m,ctx)) goto end;
177 /* let rr = rr * t mod m */
178 if (!BN_mod_mul(rr,rr,&t,m,ctx)) goto end;
185 static DSA_METHOD surewarehk_dsa =
187 "SureWare DSA method",
188 surewarehk_dsa_do_sign,
191 surewarehk_dsa_mod_exp,/*mod exp*/
200 static const char *engine_sureware_id = "sureware";
201 static const char *engine_sureware_name = "SureWare hardware engine support";
203 /* Now, to our own code */
205 /* As this is only ever called once, there's no need for locking
206 * (indeed - the lock will already be held by our caller!!!) */
207 static int bind_sureware(ENGINE *e)
209 #ifndef OPENSSL_NO_RSA
210 const RSA_METHOD *meth1;
212 #ifndef OPENSSL_NO_DSA
213 const DSA_METHOD *meth2;
215 #ifndef OPENSSL_NO_DH
216 const DH_METHOD *meth3;
219 if(!ENGINE_set_id(e, engine_sureware_id) ||
220 !ENGINE_set_name(e, engine_sureware_name) ||
221 #ifndef OPENSSL_NO_RSA
222 !ENGINE_set_RSA(e, &surewarehk_rsa) ||
224 #ifndef OPENSSL_NO_DSA
225 !ENGINE_set_DSA(e, &surewarehk_dsa) ||
227 #ifndef OPENSSL_NO_DH
228 !ENGINE_set_DH(e, &surewarehk_dh) ||
230 !ENGINE_set_RAND(e, &surewarehk_rand) ||
231 !ENGINE_set_destroy_function(e, surewarehk_destroy) ||
232 !ENGINE_set_init_function(e, surewarehk_init) ||
233 !ENGINE_set_finish_function(e, surewarehk_finish) ||
234 !ENGINE_set_ctrl_function(e, surewarehk_ctrl) ||
235 !ENGINE_set_load_privkey_function(e, surewarehk_load_privkey) ||
236 !ENGINE_set_load_pubkey_function(e, surewarehk_load_pubkey))
239 #ifndef OPENSSL_NO_RSA
240 /* We know that the "PKCS1_SSLeay()" functions hook properly
241 * to the cswift-specific mod_exp and mod_exp_crt so we use
242 * those functions. NB: We don't use ENGINE_openssl() or
243 * anything "more generic" because something like the RSAref
244 * code may not hook properly, and if you own one of these
245 * cards then you have the right to do RSA operations on it
247 meth1 = RSA_PKCS1_SSLeay();
250 surewarehk_rsa.rsa_pub_enc = meth1->rsa_pub_enc;
251 surewarehk_rsa.rsa_pub_dec = meth1->rsa_pub_dec;
255 #ifndef OPENSSL_NO_DSA
256 /* Use the DSA_OpenSSL() method and just hook the mod_exp-ish
258 meth2 = DSA_OpenSSL();
261 surewarehk_dsa.dsa_do_verify = meth2->dsa_do_verify;
265 #ifndef OPENSSL_NO_DH
266 /* Much the same for Diffie-Hellman */
267 meth3 = DH_OpenSSL();
270 surewarehk_dh.generate_key = meth3->generate_key;
271 surewarehk_dh.compute_key = meth3->compute_key;
275 /* Ensure the sureware error handling is set up */
276 ERR_load_SUREWARE_strings();
280 #ifndef OPENSSL_NO_DYNAMIC_ENGINE
281 static int bind_helper(ENGINE *e, const char *id)
283 if(id && (strcmp(id, engine_sureware_id) != 0))
285 if(!bind_sureware(e))
289 IMPLEMENT_DYNAMIC_CHECK_FN()
290 IMPLEMENT_DYNAMIC_BIND_FN(bind_helper)
292 static ENGINE *engine_sureware(void)
294 ENGINE *ret = ENGINE_new();
297 if(!bind_sureware(ret))
305 void ENGINE_load_sureware(void)
307 /* Copied from eng_[openssl|dyn].c */
308 ENGINE *toadd = engine_sureware();
316 /* This is a process-global DSO handle used for loading and unloading
317 * the SureWareHook library. NB: This is only set (or unset) during an
318 * init() or finish() call (reference counts permitting) and they're
319 * operating with global locks, so this should be thread-safe
321 static DSO *surewarehk_dso = NULL;
322 #ifndef OPENSSL_NO_RSA
323 static int rsaHndidx = -1; /* Index for KM handle. Not really used yet. */
325 #ifndef OPENSSL_NO_DSA
326 static int dsaHndidx = -1; /* Index for KM handle. Not really used yet. */
329 /* These are the function pointers that are (un)set when the library has
330 * successfully (un)loaded. */
331 static SureWareHook_Init_t *p_surewarehk_Init = NULL;
332 static SureWareHook_Finish_t *p_surewarehk_Finish = NULL;
333 static SureWareHook_Rand_Bytes_t *p_surewarehk_Rand_Bytes = NULL;
334 static SureWareHook_Rand_Seed_t *p_surewarehk_Rand_Seed = NULL;
335 static SureWareHook_Load_Privkey_t *p_surewarehk_Load_Privkey = NULL;
336 static SureWareHook_Info_Pubkey_t *p_surewarehk_Info_Pubkey = NULL;
337 static SureWareHook_Load_Rsa_Pubkey_t *p_surewarehk_Load_Rsa_Pubkey = NULL;
338 static SureWareHook_Load_Dsa_Pubkey_t *p_surewarehk_Load_Dsa_Pubkey = NULL;
339 static SureWareHook_Free_t *p_surewarehk_Free=NULL;
340 static SureWareHook_Rsa_Priv_Dec_t *p_surewarehk_Rsa_Priv_Dec=NULL;
341 static SureWareHook_Rsa_Sign_t *p_surewarehk_Rsa_Sign=NULL;
342 static SureWareHook_Dsa_Sign_t *p_surewarehk_Dsa_Sign=NULL;
343 static SureWareHook_Mod_Exp_t *p_surewarehk_Mod_Exp=NULL;
345 /* Used in the DSO operations. */
346 static const char *surewarehk_LIBNAME = "SureWareHook";
347 static const char *n_surewarehk_Init = "SureWareHook_Init";
348 static const char *n_surewarehk_Finish = "SureWareHook_Finish";
349 static const char *n_surewarehk_Rand_Bytes="SureWareHook_Rand_Bytes";
350 static const char *n_surewarehk_Rand_Seed="SureWareHook_Rand_Seed";
351 static const char *n_surewarehk_Load_Privkey="SureWareHook_Load_Privkey";
352 static const char *n_surewarehk_Info_Pubkey="SureWareHook_Info_Pubkey";
353 static const char *n_surewarehk_Load_Rsa_Pubkey="SureWareHook_Load_Rsa_Pubkey";
354 static const char *n_surewarehk_Load_Dsa_Pubkey="SureWareHook_Load_Dsa_Pubkey";
355 static const char *n_surewarehk_Free="SureWareHook_Free";
356 static const char *n_surewarehk_Rsa_Priv_Dec="SureWareHook_Rsa_Priv_Dec";
357 static const char *n_surewarehk_Rsa_Sign="SureWareHook_Rsa_Sign";
358 static const char *n_surewarehk_Dsa_Sign="SureWareHook_Dsa_Sign";
359 static const char *n_surewarehk_Mod_Exp="SureWareHook_Mod_Exp";
360 static BIO *logstream = NULL;
362 /* SureWareHook library functions and mechanics - these are used by the
363 * higher-level functions further down. NB: As and where there's no
364 * error checking, take a look lower down where these functions are
365 * called, the checking and error handling is probably down there.
367 static int threadsafe=1;
368 static int surewarehk_ctrl(ENGINE *e, int cmd, long i, void *p, void (*f)())
374 case ENGINE_CTRL_SET_LOGSTREAM:
377 CRYPTO_w_lock(CRYPTO_LOCK_ENGINE);
383 if (CRYPTO_add(&bio->references,1,CRYPTO_LOCK_BIO) > 1)
386 SUREWAREerr(SUREWARE_F_SUREWAREHK_CTRL,SUREWARE_R_BIO_WAS_FREED);
388 CRYPTO_w_unlock(CRYPTO_LOCK_ENGINE);
390 /* This will prevent the initialisation function from "installing"
391 * the mutex-handling callbacks, even if they are available from
392 * within the library (or were provided to the library from the
393 * calling application). This is to remove any baggage for
394 * applications not using multithreading. */
395 case ENGINE_CTRL_CHIL_NO_LOCKING:
396 CRYPTO_w_lock(CRYPTO_LOCK_ENGINE);
398 CRYPTO_w_unlock(CRYPTO_LOCK_ENGINE);
401 /* The command isn't understood by this engine */
403 SUREWAREerr(SUREWARE_F_SUREWAREHK_CTRL,
404 ENGINE_R_CTRL_COMMAND_NOT_IMPLEMENTED);
412 /* Destructor (complements the "ENGINE_surewarehk()" constructor) */
413 static int surewarehk_destroy(ENGINE *e)
415 ERR_unload_SUREWARE_strings();
419 /* (de)initialisation functions. */
420 static int surewarehk_init(ENGINE *e)
422 char msg[64]="ENGINE_init";
423 SureWareHook_Init_t *p1=NULL;
424 SureWareHook_Finish_t *p2=NULL;
425 SureWareHook_Rand_Bytes_t *p3=NULL;
426 SureWareHook_Rand_Seed_t *p4=NULL;
427 SureWareHook_Load_Privkey_t *p5=NULL;
428 SureWareHook_Load_Rsa_Pubkey_t *p6=NULL;
429 SureWareHook_Free_t *p7=NULL;
430 SureWareHook_Rsa_Priv_Dec_t *p8=NULL;
431 SureWareHook_Rsa_Sign_t *p9=NULL;
432 SureWareHook_Dsa_Sign_t *p12=NULL;
433 SureWareHook_Info_Pubkey_t *p13=NULL;
434 SureWareHook_Load_Dsa_Pubkey_t *p14=NULL;
435 SureWareHook_Mod_Exp_t *p15=NULL;
437 if(surewarehk_dso != NULL)
439 SUREWAREerr(SUREWARE_F_SUREWAREHK_INIT,ENGINE_R_ALREADY_LOADED);
442 /* Attempt to load libsurewarehk.so/surewarehk.dll/whatever. */
443 surewarehk_dso = DSO_load(NULL, surewarehk_LIBNAME, NULL, 0);
444 if(surewarehk_dso == NULL)
446 SUREWAREerr(SUREWARE_F_SUREWAREHK_INIT,ENGINE_R_DSO_FAILURE);
449 if(!(p1=(SureWareHook_Init_t*)DSO_bind_func(surewarehk_dso, n_surewarehk_Init)) ||
450 !(p2=(SureWareHook_Finish_t*)DSO_bind_func(surewarehk_dso, n_surewarehk_Finish)) ||
451 !(p3=(SureWareHook_Rand_Bytes_t*)DSO_bind_func(surewarehk_dso, n_surewarehk_Rand_Bytes)) ||
452 !(p4=(SureWareHook_Rand_Seed_t*)DSO_bind_func(surewarehk_dso, n_surewarehk_Rand_Seed)) ||
453 !(p5=(SureWareHook_Load_Privkey_t*)DSO_bind_func(surewarehk_dso, n_surewarehk_Load_Privkey)) ||
454 !(p6=(SureWareHook_Load_Rsa_Pubkey_t*)DSO_bind_func(surewarehk_dso, n_surewarehk_Load_Rsa_Pubkey)) ||
455 !(p7=(SureWareHook_Free_t*)DSO_bind_func(surewarehk_dso, n_surewarehk_Free)) ||
456 !(p8=(SureWareHook_Rsa_Priv_Dec_t*)DSO_bind_func(surewarehk_dso, n_surewarehk_Rsa_Priv_Dec)) ||
457 !(p9=(SureWareHook_Rsa_Sign_t*)DSO_bind_func(surewarehk_dso, n_surewarehk_Rsa_Sign)) ||
458 !(p12=(SureWareHook_Dsa_Sign_t*)DSO_bind_func(surewarehk_dso, n_surewarehk_Dsa_Sign)) ||
459 !(p13=(SureWareHook_Info_Pubkey_t*)DSO_bind_func(surewarehk_dso, n_surewarehk_Info_Pubkey)) ||
460 !(p14=(SureWareHook_Load_Dsa_Pubkey_t*)DSO_bind_func(surewarehk_dso, n_surewarehk_Load_Dsa_Pubkey)) ||
461 !(p15=(SureWareHook_Mod_Exp_t*)DSO_bind_func(surewarehk_dso, n_surewarehk_Mod_Exp)))
463 SUREWAREerr(SUREWARE_F_SUREWAREHK_INIT,ENGINE_R_DSO_FAILURE);
466 /* Copy the pointers */
467 p_surewarehk_Init = p1;
468 p_surewarehk_Finish = p2;
469 p_surewarehk_Rand_Bytes = p3;
470 p_surewarehk_Rand_Seed = p4;
471 p_surewarehk_Load_Privkey = p5;
472 p_surewarehk_Load_Rsa_Pubkey = p6;
473 p_surewarehk_Free = p7;
474 p_surewarehk_Rsa_Priv_Dec = p8;
475 p_surewarehk_Rsa_Sign = p9;
476 p_surewarehk_Dsa_Sign = p12;
477 p_surewarehk_Info_Pubkey = p13;
478 p_surewarehk_Load_Dsa_Pubkey = p14;
479 p_surewarehk_Mod_Exp = p15;
480 /* Contact the hardware and initialises it. */
481 if(p_surewarehk_Init(msg,threadsafe)==SUREWAREHOOK_ERROR_UNIT_FAILURE)
483 SUREWAREerr(SUREWARE_F_SUREWAREHK_INIT,SUREWARE_R_UNIT_FAILURE);
486 if(p_surewarehk_Init(msg,threadsafe)==SUREWAREHOOK_ERROR_UNIT_FAILURE)
488 SUREWAREerr(SUREWARE_F_SUREWAREHK_INIT,SUREWARE_R_UNIT_FAILURE);
491 /* try to load the default private key, if failed does not return a failure but
492 wait for an explicit ENGINE_load_privakey */
493 surewarehk_load_privkey(e,NULL,NULL,NULL);
495 /* Everything's fine. */
496 #ifndef OPENSSL_NO_RSA
498 rsaHndidx = RSA_get_ex_new_index(0,
499 "SureWareHook RSA key handle",
500 NULL, NULL, surewarehk_ex_free);
502 #ifndef OPENSSL_NO_DSA
504 dsaHndidx = DSA_get_ex_new_index(0,
505 "SureWareHook DSA key handle",
506 NULL, NULL, surewarehk_ex_free);
512 DSO_free(surewarehk_dso);
513 surewarehk_dso = NULL;
514 p_surewarehk_Init = NULL;
515 p_surewarehk_Finish = NULL;
516 p_surewarehk_Rand_Bytes = NULL;
517 p_surewarehk_Rand_Seed = NULL;
518 p_surewarehk_Load_Privkey = NULL;
519 p_surewarehk_Load_Rsa_Pubkey = NULL;
520 p_surewarehk_Free = NULL;
521 p_surewarehk_Rsa_Priv_Dec = NULL;
522 p_surewarehk_Rsa_Sign = NULL;
523 p_surewarehk_Dsa_Sign = NULL;
524 p_surewarehk_Info_Pubkey = NULL;
525 p_surewarehk_Load_Dsa_Pubkey = NULL;
526 p_surewarehk_Mod_Exp = NULL;
530 static int surewarehk_finish(ENGINE *e)
533 if(surewarehk_dso == NULL)
535 SUREWAREerr(SUREWARE_F_SUREWAREHK_FINISH,ENGINE_R_NOT_LOADED);
539 p_surewarehk_Finish();
540 if(!DSO_free(surewarehk_dso))
542 SUREWAREerr(SUREWARE_F_SUREWAREHK_FINISH,ENGINE_R_DSO_FAILURE);
549 surewarehk_dso = NULL;
550 p_surewarehk_Init = NULL;
551 p_surewarehk_Finish = NULL;
552 p_surewarehk_Rand_Bytes = NULL;
553 p_surewarehk_Rand_Seed = NULL;
554 p_surewarehk_Load_Privkey = NULL;
555 p_surewarehk_Load_Rsa_Pubkey = NULL;
556 p_surewarehk_Free = NULL;
557 p_surewarehk_Rsa_Priv_Dec = NULL;
558 p_surewarehk_Rsa_Sign = NULL;
559 p_surewarehk_Dsa_Sign = NULL;
560 p_surewarehk_Info_Pubkey = NULL;
561 p_surewarehk_Load_Dsa_Pubkey = NULL;
562 p_surewarehk_Mod_Exp = NULL;
566 static void surewarehk_error_handling(char *const msg,int func,int ret)
570 case SUREWAREHOOK_ERROR_UNIT_FAILURE:
571 ENGINEerr(func,SUREWARE_R_UNIT_FAILURE);
573 case SUREWAREHOOK_ERROR_FALLBACK:
574 ENGINEerr(func,SUREWARE_R_REQUEST_FALLBACK);
576 case SUREWAREHOOK_ERROR_DATA_SIZE:
577 ENGINEerr(func,SUREWARE_R_SIZE_TOO_LARGE_OR_TOO_SMALL);
579 case SUREWAREHOOK_ERROR_INVALID_PAD:
580 ENGINEerr(func,RSA_R_PADDING_CHECK_FAILED);
583 ENGINEerr(func,SUREWARE_R_REQUEST_FAILED);
590 ERR_add_error_data(1,msg);
593 CRYPTO_w_lock(CRYPTO_LOCK_BIO);
594 BIO_write(logstream, msg, strlen(msg));
595 CRYPTO_w_unlock(CRYPTO_LOCK_BIO);
600 static int surewarehk_rand_bytes(unsigned char *buf, int num)
603 char msg[64]="ENGINE_rand_bytes";
604 if(!p_surewarehk_Rand_Bytes)
606 SUREWAREerr(SUREWARE_F_SUREWAREHK_RAND_BYTES,ENGINE_R_NOT_INITIALISED);
610 ret = p_surewarehk_Rand_Bytes(msg,buf, num);
611 surewarehk_error_handling(msg,SUREWARE_F_SUREWAREHK_RAND_BYTES,ret);
613 return ret==1 ? 1 : 0;
616 static void surewarehk_rand_seed(const void *buf, int num)
619 char msg[64]="ENGINE_rand_seed";
620 if(!p_surewarehk_Rand_Seed)
622 SUREWAREerr(SUREWARE_F_SUREWAREHK_RAND_SEED,ENGINE_R_NOT_INITIALISED);
626 ret = p_surewarehk_Rand_Seed(msg,buf, num);
627 surewarehk_error_handling(msg,SUREWARE_F_SUREWAREHK_RAND_SEED,ret);
631 static void surewarehk_rand_add(const void *buf, int num, double entropy)
633 surewarehk_rand_seed(buf,num);
636 static EVP_PKEY* sureware_load_public(ENGINE *e,const char *key_id,char *hptr,unsigned long el,char keytype)
638 EVP_PKEY *res = NULL;
639 #ifndef OPENSSL_NO_RSA
642 #ifndef OPENSSL_NO_DSA
645 char msg[64]="sureware_load_public";
647 if(!p_surewarehk_Load_Rsa_Pubkey || !p_surewarehk_Load_Dsa_Pubkey)
649 SUREWAREerr(SUREWARE_F_SUREWAREHK_LOAD_PUBLIC_KEY,ENGINE_R_NOT_INITIALISED);
654 #ifndef OPENSSL_NO_RSA
656 /* set private external reference */
657 rsatmp = RSA_new_method(e);
658 RSA_set_ex_data(rsatmp,rsaHndidx,hptr);
659 rsatmp->flags |= RSA_FLAG_EXT_PKEY;
661 /* set public big nums*/
662 rsatmp->e = BN_new();
663 rsatmp->n = BN_new();
664 bn_expand2(rsatmp->e, el/sizeof(BN_ULONG));
665 bn_expand2(rsatmp->n, el/sizeof(BN_ULONG));
666 if (!rsatmp->e || rsatmp->e->dmax!=(int)(el/sizeof(BN_ULONG))||
667 !rsatmp->n || rsatmp->n->dmax!=(int)(el/sizeof(BN_ULONG)))
669 ret=p_surewarehk_Load_Rsa_Pubkey(msg,key_id,el,
670 (unsigned long *)rsatmp->n->d,
671 (unsigned long *)rsatmp->e->d);
672 surewarehk_error_handling(msg,SUREWARE_F_SUREWAREHK_LOAD_PUBLIC_KEY,ret);
675 SUREWAREerr(SUREWARE_F_SUREWAREHK_LOAD_PRIVATE_KEY,ENGINE_R_FAILED_LOADING_PUBLIC_KEY);
678 /* normalise pub e and pub n */
679 rsatmp->e->top=el/sizeof(BN_ULONG);
680 bn_fix_top(rsatmp->e);
681 rsatmp->n->top=el/sizeof(BN_ULONG);
682 bn_fix_top(rsatmp->n);
683 /* create an EVP object: engine + rsa key */
684 res = EVP_PKEY_new();
685 EVP_PKEY_assign_RSA(res, rsatmp);
689 #ifndef OPENSSL_NO_DSA
691 /* set private/public external reference */
692 dsatmp = DSA_new_method(e);
693 DSA_set_ex_data(dsatmp,dsaHndidx,hptr);
694 /*dsatmp->flags |= DSA_FLAG_EXT_PKEY;*/
697 dsatmp->pub_key = BN_new();
698 dsatmp->p = BN_new();
699 dsatmp->q = BN_new();
700 dsatmp->g = BN_new();
701 bn_expand2(dsatmp->pub_key, el/sizeof(BN_ULONG));
702 bn_expand2(dsatmp->p, el/sizeof(BN_ULONG));
703 bn_expand2(dsatmp->q, 20/sizeof(BN_ULONG));
704 bn_expand2(dsatmp->g, el/sizeof(BN_ULONG));
705 if (!dsatmp->pub_key || dsatmp->pub_key->dmax!=(int)(el/sizeof(BN_ULONG))||
706 !dsatmp->p || dsatmp->p->dmax!=(int)(el/sizeof(BN_ULONG)) ||
707 !dsatmp->q || dsatmp->q->dmax!=20/sizeof(BN_ULONG) ||
708 !dsatmp->g || dsatmp->g->dmax!=(int)(el/sizeof(BN_ULONG)))
711 ret=p_surewarehk_Load_Dsa_Pubkey(msg,key_id,el,
712 (unsigned long *)dsatmp->pub_key->d,
713 (unsigned long *)dsatmp->p->d,
714 (unsigned long *)dsatmp->q->d,
715 (unsigned long *)dsatmp->g->d);
716 surewarehk_error_handling(msg,SUREWARE_F_SUREWAREHK_LOAD_PUBLIC_KEY,ret);
719 SUREWAREerr(SUREWARE_F_SUREWAREHK_LOAD_PRIVATE_KEY,ENGINE_R_FAILED_LOADING_PUBLIC_KEY);
723 /* normalise pubkey and parameters in case of */
724 dsatmp->pub_key->top=el/sizeof(BN_ULONG);
725 bn_fix_top(dsatmp->pub_key);
726 dsatmp->p->top=el/sizeof(BN_ULONG);
727 bn_fix_top(dsatmp->p);
728 dsatmp->q->top=20/sizeof(BN_ULONG);
729 bn_fix_top(dsatmp->q);
730 dsatmp->g->top=el/sizeof(BN_ULONG);
731 bn_fix_top(dsatmp->g);
733 /* create an EVP object: engine + rsa key */
734 res = EVP_PKEY_new();
735 EVP_PKEY_assign_DSA(res, dsatmp);
740 SUREWAREerr(SUREWARE_F_SUREWAREHK_LOAD_PRIVATE_KEY,ENGINE_R_FAILED_LOADING_PRIVATE_KEY);
747 #ifndef OPENSSL_NO_RSA
751 #ifndef OPENSSL_NO_DSA
758 static EVP_PKEY *surewarehk_load_privkey(ENGINE *e, const char *key_id,
759 UI_METHOD *ui_method, void *callback_data)
761 EVP_PKEY *res = NULL;
766 char msg[64]="ENGINE_load_privkey";
768 if(!p_surewarehk_Load_Privkey)
770 SUREWAREerr(SUREWARE_F_SUREWAREHK_LOAD_PRIVATE_KEY,ENGINE_R_NOT_INITIALISED);
774 ret=p_surewarehk_Load_Privkey(msg,key_id,&hptr,&el,&keytype);
777 SUREWAREerr(SUREWARE_F_SUREWAREHK_LOAD_PRIVATE_KEY,ENGINE_R_FAILED_LOADING_PRIVATE_KEY);
778 ERR_add_error_data(1,msg);
781 res=sureware_load_public(e,key_id,hptr,el,keytype);
786 static EVP_PKEY *surewarehk_load_pubkey(ENGINE *e, const char *key_id,
787 UI_METHOD *ui_method, void *callback_data)
789 EVP_PKEY *res = NULL;
794 char msg[64]="ENGINE_load_pubkey";
796 if(!p_surewarehk_Info_Pubkey)
798 SUREWAREerr(SUREWARE_F_SUREWAREHK_LOAD_PUBLIC_KEY,ENGINE_R_NOT_INITIALISED);
802 /* call once to identify if DSA or RSA */
803 ret=p_surewarehk_Info_Pubkey(msg,key_id,&el,&keytype);
806 SUREWAREerr(SUREWARE_F_SUREWAREHK_LOAD_PUBLIC_KEY,ENGINE_R_FAILED_LOADING_PUBLIC_KEY);
807 ERR_add_error_data(1,msg);
810 res=sureware_load_public(e,key_id,hptr,el,keytype);
815 /* This cleans up an RSA/DSA KM key(do not destroy the key into the hardware)
816 , called when ex_data is freed */
817 static void surewarehk_ex_free(void *obj, void *item, CRYPTO_EX_DATA *ad,
818 int idx,long argl, void *argp)
820 if(!p_surewarehk_Free)
822 SUREWAREerr(SUREWARE_F_SUREWAREHK_EX_FREE,ENGINE_R_NOT_INITIALISED);
825 p_surewarehk_Free((char *)item,0);
829 /* not currently used (bug?) */
830 /* This cleans up an DH KM key (destroys the key into hardware),
831 called when ex_data is freed */
832 static void surewarehk_dh_ex_free(void *obj, void *item, CRYPTO_EX_DATA *ad,
833 int idx,long argl, void *argp)
835 if(!p_surewarehk_Free)
837 SUREWAREerr(SUREWARE_F_SUREWAREHK_EX_FREE,ENGINE_R_NOT_INITIALISED);
840 p_surewarehk_Free((char *)item,1);
845 * return number of decrypted bytes
847 #ifndef OPENSSL_NO_RSA
848 static int surewarehk_rsa_priv_dec(int flen,const unsigned char *from,unsigned char *to,
849 RSA *rsa,int padding)
852 char *buf=NULL,*hptr=NULL;
853 char msg[64]="ENGINE_rsa_priv_dec";
854 if (!p_surewarehk_Rsa_Priv_Dec)
856 SUREWAREerr(SUREWARE_F_SUREWAREHK_RSA_PRIV_DEC,ENGINE_R_NOT_INITIALISED);
858 /* extract ref to private key */
859 else if (!(hptr=RSA_get_ex_data(rsa, rsaHndidx)))
861 SUREWAREerr(SUREWARE_F_SUREWAREHK_RSA_PRIV_DEC,SUREWARE_R_MISSING_KEY_COMPONENTS);
864 /* analyse what padding we can do into the hardware */
865 if (padding==RSA_PKCS1_PADDING)
868 ret=p_surewarehk_Rsa_Priv_Dec(msg,flen,(unsigned char *)from,&tlen,to,hptr,SUREWARE_PKCS1_PAD);
869 surewarehk_error_handling(msg,SUREWARE_F_SUREWAREHK_RSA_PRIV_DEC,ret);
874 else /* do with no padding into hardware */
876 ret=p_surewarehk_Rsa_Priv_Dec(msg,flen,(unsigned char *)from,&tlen,to,hptr,SUREWARE_NO_PAD);
877 surewarehk_error_handling(msg,SUREWARE_F_SUREWAREHK_RSA_PRIV_DEC,ret);
880 /* intermediate buffer for padding */
881 if ((buf=OPENSSL_malloc(tlen)) == NULL)
883 RSAerr(SUREWARE_F_SUREWAREHK_RSA_PRIV_DEC,ERR_R_MALLOC_FAILURE);
886 memcpy(buf,to,tlen);/* transfert to into buf */
887 switch (padding) /* check padding in software */
889 #ifndef OPENSSL_NO_SHA
890 case RSA_PKCS1_OAEP_PADDING:
891 ret=RSA_padding_check_PKCS1_OAEP(to,tlen,(unsigned char *)buf,tlen,tlen,NULL,0);
894 case RSA_SSLV23_PADDING:
895 ret=RSA_padding_check_SSLv23(to,tlen,(unsigned char *)buf,flen,tlen);
898 ret=RSA_padding_check_none(to,tlen,(unsigned char *)buf,flen,tlen);
901 RSAerr(SUREWARE_F_SUREWAREHK_RSA_PRIV_DEC,RSA_R_UNKNOWN_PADDING_TYPE);
905 RSAerr(SUREWARE_F_SUREWAREHK_RSA_PRIV_DEC,RSA_R_PADDING_CHECK_FAILED);
910 OPENSSL_cleanse(buf,tlen);
917 * Does what OpenSSL rsa_priv_enc does.
919 static int surewarehk_rsa_sign(int flen,const unsigned char *from,unsigned char *to,
920 RSA *rsa,int padding)
924 char msg[64]="ENGINE_rsa_sign";
925 if (!p_surewarehk_Rsa_Sign)
927 SUREWAREerr(SUREWARE_F_SUREWAREHK_RSA_PRIV_ENC,ENGINE_R_NOT_INITIALISED);
929 /* extract ref to private key */
930 else if (!(hptr=RSA_get_ex_data(rsa, rsaHndidx)))
932 SUREWAREerr(SUREWARE_F_SUREWAREHK_RSA_PRIV_ENC,SUREWARE_R_MISSING_KEY_COMPONENTS);
938 case RSA_PKCS1_PADDING: /* do it in one shot */
939 ret=p_surewarehk_Rsa_Sign(msg,flen,(unsigned char *)from,&tlen,to,hptr,SUREWARE_PKCS1_PAD);
940 surewarehk_error_handling(msg,SUREWARE_F_SUREWAREHK_RSA_PRIV_ENC,ret);
944 RSAerr(SUREWARE_F_SUREWAREHK_RSA_PRIV_ENC,RSA_R_UNKNOWN_PADDING_TYPE);
947 return ret==1 ? tlen : ret;
952 #ifndef OPENSSL_NO_DSA
953 /* DSA sign and verify */
954 static DSA_SIG * surewarehk_dsa_do_sign(const unsigned char *from, int flen, DSA *dsa)
959 char msg[64]="ENGINE_dsa_do_sign";
960 if (!p_surewarehk_Dsa_Sign)
962 SUREWAREerr(SUREWARE_F_SUREWAREHK_DSA_DO_SIGN,ENGINE_R_NOT_INITIALISED);
964 /* extract ref to private key */
965 else if (!(hptr=DSA_get_ex_data(dsa, dsaHndidx)))
967 SUREWAREerr(SUREWARE_F_SUREWAREHK_DSA_DO_SIGN,SUREWARE_R_MISSING_KEY_COMPONENTS);
971 if((psign = DSA_SIG_new()) == NULL)
973 SUREWAREerr(SUREWARE_F_SUREWAREHK_DSA_DO_SIGN,ERR_R_MALLOC_FAILURE);
978 bn_expand2(psign->r, 20/sizeof(BN_ULONG));
979 bn_expand2(psign->s, 20/sizeof(BN_ULONG));
980 if (!psign->r || psign->r->dmax!=20/sizeof(BN_ULONG) ||
981 !psign->s || psign->s->dmax!=20/sizeof(BN_ULONG))
983 ret=p_surewarehk_Dsa_Sign(msg,flen,from,
984 (unsigned long *)psign->r->d,
985 (unsigned long *)psign->s->d,
987 surewarehk_error_handling(msg,SUREWARE_F_SUREWAREHK_DSA_DO_SIGN,ret);
989 psign->r->top=20/sizeof(BN_ULONG);
990 bn_fix_top(psign->r);
991 psign->s->top=20/sizeof(BN_ULONG);
992 bn_fix_top(psign->s);
1004 static int surewarehk_modexp(BIGNUM *r, const BIGNUM *a, const BIGNUM *p,
1005 const BIGNUM *m, BN_CTX *ctx)
1008 char msg[64]="ENGINE_modexp";
1009 if (!p_surewarehk_Mod_Exp)
1011 SUREWAREerr(SUREWARE_F_SUREWAREHK_MOD_EXP,ENGINE_R_NOT_INITIALISED);
1015 bn_expand2(r,m->top);
1016 if (r && r->dmax==m->top)
1019 ret=p_surewarehk_Mod_Exp(msg,
1020 m->top*sizeof(BN_ULONG),
1021 (unsigned long *)m->d,
1022 p->top*sizeof(BN_ULONG),
1023 (unsigned long *)p->d,
1024 a->top*sizeof(BN_ULONG),
1025 (unsigned long *)a->d,
1026 (unsigned long *)r->d);
1027 surewarehk_error_handling(msg,SUREWARE_F_SUREWAREHK_MOD_EXP,ret);
1030 /* normalise result */
1038 #endif /* !OPENSSL_NO_HW_SureWare */
1039 #endif /* !OPENSSL_NO_HW */